Technical Document Summary: Flanges and Materials Specifications

1. Standards and Flange Types

This document outlines various flange standards, types, size ranges, pressure classes, sealing types, and materials used in flange manufacturing. It covers multiple international standards including EN1092-1/DIN, ANSI B16.5/ASME B16.47, ASME B16.36, ASME B16.48, AWWA C207-01, BS 4504, JIS B2220, ASTM, and special forging per customer drawings.

1.1 EN1092-1 / DIN Standard

• Flange Types: Plate, Welding Neck, Long Welding Neck, Weld-Neck Collar, Loose Plate, Hubbed Slip On, Plate Collar, Blind, Threaded, Lapped Pipe End.
• Size Range: DN15 to DN3000
• Pressure Classes: PN6 to PN400 (including PN6, PN10, PN16, PN25, PN40, PN63, PN100, PN160, PN250, P320, P400)
• Material: Refer to material list provided.

1.2 ANSI B16.5 / ASME B16.47 Standard

• Flange Types: Welding Neck, Slip On, Blind, Lap Joint, Threaded, Socket Welding
• Size Range: 1/2" to 102"
• Pressure Classes: 150LB to 2500LB (150LB, 300LB, 400LB, 600LB, 900LB, 1500LB, 2500LB)
• Sealing Types: Flat Face (FF), Raised Face (RF), Ring Type Joint (RTJ)
• Material: Refer to material list.

1.3 ASME B16.36 (Orifice Flanges)

• Size Range: 1/2" to 48"
• Pressure Classes: 150LB to 2500LB
• Sealing Faces: Raised Face (RF), Ring Type Joint (RTJ), Female Ring-Joint (RJF), Male Ring-Joint (RJM)
• Material: Refer to material list.

1.4 ASME B16.48 (Line Blanks)

• Size Range: 1/2" to 48"
• Pressure Classes: 150LB to 2500LB
• Sealing Faces: Raised Face (RF), Ring Type Joint (RTJ)
• Material: Refer to material list.

1.5 AWWA C207-01

• Flange Types: Ring Flange, Blind Flange, Hub Flange
• Size Range: 4" to 144"
• Pressure Classes: Class B, D, E, F
• Material: Refer to material list.

1.6 BS 4504

• Flange Types: Plate (101), Blind (105), Welding Neck (111), Slip On (112), Threaded (113)
• Size Range: DN10 to DN2000
• Pressure Classes: PN6, PN10, PN16, PN25, PN40
• Material: Refer to material list.

1.7 JIS B2220

• Flange Types: Slip On Plate (SOP), Slip On Hub (SOH), Blind, Welding Neck, Socket Welding, Lap Joint, Long Welding Neck
• Size Range: 10A to 1500A
• Pressure Classes: 5K, 10K, 16K, 20K, 30K, 40K, 63K
• Material: Refer to material list.

1.8 Special Forging

• Size Range: 1/2" to 196"
• Weight: Up to 35,000 KGS per piece
• Pressure Range: 2000 PSI to 15,000 PSI
• Material: Refer to material list.

1.9 Coating and Material Standards

• Standards: ASTM, EN/DIN
• Size Range: M12 to M100 or 1/2" to 4"
• Coatings: Zinc Plating, Hot-Dip Galvanizing (HDG), Zinc Nickel (ZnNi), Phosphating, PTFE, Geomet
• Materials: ASTM grades including A193 GR.B7/B7M/B16/B8/B8M/B8MA; ASTM A320 GR. L7/L7M/L43; ASTM F467/F468; A453-660; B446; Inconel 718

2. Material Grades and Categories

The document provides an extensive list of material grades categorized by alloy type, including Cr-Mo alloys, carbon steels, duplex stainless steels, stainless steels, and nickel alloys. Each category includes specific ASTM and EN standards with corresponding grades.

2.1 Cr-Mo Alloy Grades

• ASTM A182 F1, F5, F9, F11, F22, F91
• EN10222-2 16Mo3, 13CrMo4-5

2.2 Carbon Steel Grades

• ASTM A105, A694 F52/F60/F65/F70, A516 GR65/GR70/GR60
• EN10222 S235JRG2, P250GH, P280GH, P355QH
• ASTM A350 LF2/LF3/LF6 (Low Temperature Carbon Steel)

2.3 Duplex Stainless Steel Grades

• ASTM A182 F51, F60, F53, F44
• EN 10222 1.4462

2.4 Stainless Steel Grades

• ASTM A182 F304/304L, F304H, F316/316L, F317/317L, F316Ti, F321, F347/F347H, F904L
• EN10222 1.4301, 1.4306, 1.4401, 1.4404, 1.4541, 1.4571, 1.4539

2.5 Alloy Grades

• B462 UNS N08020, B564 UNS N04400, N06600, N06625, N08367, N08800, N08825, N10276
• ASTM B171 UNS C71520 (Copper Alloy)

3. Critical Information and Recommendations

• Material selection must refer to the detailed material list to ensure compliance with pressure class and flange type requirements.
• Flange size and pressure class must be matched according to the applicable standard for the intended application.
• Sealing face types vary by flange standard and application; correct selection is essential for ensuring leak-tight connections.
• Coating options are available for corrosion protection and should be selected based on environmental conditions.
• Special forgings can be manufactured according to customer drawings with specified size, weight, and pressure ratings.

4. Summary of Size and Pressure Ranges

Standard	Size Range	Pressure Class	Flange Types
EN1092-1 / DIN	DN15 - DN3000	PN6 - PN400	Plate, Welding Neck, Blind, Threaded, etc.
ANSI B16.5 / ASME B16.47	1/2" - 102"	150LB - 2500LB	Welding Neck, Slip On, Blind, Lap Joint, Threaded, Socket Weld
ASME B16.36 (Orifice)	1/2" - 48"	150LB - 2500LB	Orifice Flanges
ASME B16.48 (Line Blanks)	1/2" - 48"	150LB - 2500LB	Line Blanks
AWWA C207-01	4" - 144"	Class B, D, E, F	Ring, Blind, Hub Flanges
BS 4504	DN10 - DN2000	PN6 - PN40	Plate, Blind, Welding Neck, Slip On, Threaded
JIS B2220	10A - 1500A	5K - 63K	SOP, SOH, Blind, Welding Neck, Socket Weld, Lap Joint
Special Forging	1/2" - 196"	2000 PSI - 15000 PSI	Custom per customer drawings

This structured summary provides a clear overview of flange standards, types, sizes, pressure ratings, sealing faces, materials, and coatings, along with critical recommendations for selection and application.